Factory Price Hzjb-450 High Precision Portable Digital Three Phase Protection Relay Test Instrument

Product Description

Product Description

HZJB-450 handheld relay protection tester is in the secondary operation and maintenance work with debugging means to focus on checking the circuit environment of a new generation of independent research and development of handheld products, is the use of the latest generation of science and technology and electronic technology results of the new design of ultra-lightweight small portable handheld relay protection tester. The product adopts advanced power supply technology and miniature modular processing technology, with high-precision current amplifier and voltage amplifier module, built-in wireless WIFI module. Applicable to power systems, power plants, factories, mines and chemical enterprises, power transmission and transformation engineering companies and relay protection device manufacturers and other users of secondary operation and maintenance maintenance debugging work.

The series of relay protection instrument is ultra-small, lightweight, extremely easy to carry, greatly reducing the workload of field personnel, improve the efficiency of field work. Including HZJB-450A single-phase current and three-phase voltage type, HZJB-450B one-phase current and one-phase voltage type.

Product Features

1)Functionality-rich: with manual experiment, state sequence, action time, telemetry test and other modules.

2)Advanced low-power circuit design, which both reduces the heat generation of the whole machine and improves the endurance.

(3) Unique digital electronic technology and power electronic technology to ensure efficient and stable current and voltage output.

4) With overheating and overload protection circuit to ensure user safety.

5) Industrial-grade OLED screen, good man-machine interface, easy to use and quick test.

6) Ultra-compact relay instrument, the weight of the whole machine is only 1.6kg, A4 size, ultra-small size, easy to carry.

7) 3-channel voltage, 1-channel current output, arbitrary settings, phase voltage 120V, phase current 10A.

8) New high-fidelity linear amplifier, high output accuracy.

9) Highly integrated modular structure, good EMC performance, high reliability.

10) Perfect and reliable self-protection function.

Detailed Photos

Product Parameters

Standard analog voltage and current output
AC current output: AC 1×0-12A/60VA;
AC voltage output: AC 3×0-120V/40VA;
(HZJB-450B type is 1 way when one way output: 0-260V continuously adjustable);
AC output precision: 0.1% (0.5~120V);
DC current output: DC 1×(±5A)/50VA;
DC voltage output: DC 3×(±160V)/40VA;
Phase: 0~360°continuously adjustable;
Resolution: 0.1;
Phase accuracy: <0.2°;
Output frequency: 10-500Hz, 10th harmonic can be simulated;
Frequency accuracy: < 0.01Hz;
Superimposed harmonics: 0~10th harmonic;
Switching quantity:
2-way open in, isolation voltage 500V, null contact compatible with 32V~250V potential, polarity automatic identification;
2-way open out, optocoupler open out, time resolution 0.1ms;
Finished product specifications
Charging voltage: DC 16.8V;
Endurance: 8Ah lithium battery power supply;
Instrument weight: less than 1.6kg;
Instrument volume: 210x170x65 (mm L×W×H).

 

Company Profile

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FAQ

Q1:Is your company a sales or a manufacturer? 
We are an integrated trade and manufacturing company with our own factory. 

Q2:If we need to customize our own brand or if there are special requirements for the built-in software of the machine, can it be customized?
Yes, we accept OEM/ODM/OBM and can customize the built-in software of the product according to the customer's special requirements.

Q3:What is the usual lead time? How long can we receive the order after placing it?
In normal circumstances, products in stock can be received within 5 to 7 days via the fastest international express. Other situations may vary depending on the quantity of products ordered, whether there are special customization requirements, and the delivery time chosen.

Q4:How can we ensure that the product will not be damaged during transportation, considering the large size of the product?
We have professional internal and external packaging to ensure the safety and stability of the products during transportation. For fragile or other special parts, we will include an extra set to ensure that the customer can use the product immediately upon receipt.

Q5:How do you handle after-sales service? What if there is a quality problem with the product or if the customer does not know how to operate it? 
For quality issues that are not caused by human error, we provide a one-year warranty from the time the product is delivered, and lifetime technical support. Other after-sales issues will be addressed by our professional technical staff within 24 hours. The product comes with a user manual and an operation video.